以下是Java面试资料相关代码的使用方法和组件封装方法，以帮助你更好地组织和复用这些功能。
使用方法
环境准备
- JDK 8或以上版本
- Maven或Gradle构建工具
- 开发工具（如IntelliJ IDEA、Eclipse等）
核心类使用示例
// 创建面试问题库实例
InterviewQuestionLibrary library = new InterviewQuestionLibrary();
// 加载问题集
library.loadQuestionsFromFile("java_interview_questions.json");
// 获取特定类型的问题
List<InterviewQuestion> basicQuestions = library.getQuestionsByCategory("基础语法");
// 随机抽取问题用于自测
InterviewQuestion randomQuestion = library.getRandomQuestion();
System.out.println("问题: " + randomQuestion.getQuestion());
System.out.println("答案: " + randomQuestion.getAnswer());
// 创建学习进度跟踪器
StudyProgressTracker tracker = new StudyProgressTracker("user_progress.json");
tracker.markAsStudied(randomQuestion.getId());
System.out.println("已学习问题数量: " + tracker.getStudiedCount());
Web应用部署
- 使用Spring Boot构建REST API
- 前端界面可以使用Vue.js或React开发
- 部署到Tomcat、Jetty等Servlet容器或使用Spring Boot内置服务器
单元测试
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
public class InterviewQuestionTest {
@Test
public void testQuestionCreation() {
InterviewQuestion question = new InterviewQuestion(
"Q001",
"什么是Java的多态性？",
"多态性是指允许不同类的对象对同一消息做出响应...",
"基础语法"
);
assertEquals("Q001", question.getId());
assertTrue(question.getAnswer().contains("多态性是指"));
}
}
组件封装方法
- 核心业务组件
// 问题管理组件
public interface QuestionManager {
List<InterviewQuestion> getAllQuestions();
InterviewQuestion getQuestionById(String id);
void addQuestion(InterviewQuestion question);
void updateQuestion(InterviewQuestion question);
void deleteQuestion(String id);
}
// 实现类
public class QuestionManagerImpl implements QuestionManager {
private final QuestionRepository repository;
public QuestionManagerImpl(QuestionRepository repository) {
this.repository = repository;
}
// 实现接口方法...
}
- 数据访问组件
// 问题仓库接口
public interface QuestionRepository {
List<InterviewQuestion> findAll();
InterviewQuestion findById(String id);
void save(InterviewQuestion question);
void delete(String id);
}
// JSON文件实现
public class JsonQuestionRepository implements QuestionRepository {
private final ObjectMapper objectMapper = new ObjectMapper();
private final Path filePath;
public JsonQuestionRepository(String filePath) {
this.filePath = Paths.get(filePath);
}
// 实现接口方法...
}
- 学习进度组件
// 学习进度服务
public class StudyProgressService {
private final StudyProgressRepository repository;
public StudyProgressService(StudyProgressRepository repository) {
this.repository = repository;
}
public void startStudying(String questionId) {
// 记录开始学习时间
repository.updateStatus(questionId, StudyStatus.IN_PROGRESS);
}
public void markAsCompleted(String questionId) {
// 记录完成时间和掌握程度
repository.updateStatus(questionId, StudyStatus.COMPLETED);
}
public StudyReport generateReport() {
// 生成学习报告
return repository.generateReport();
}
}
- API接口封装
// REST控制器示例
@RestController
@RequestMapping("/api/questions")
public class QuestionController {
private final QuestionManager questionManager;
public QuestionController(QuestionManager questionManager) {
this.questionManager = questionManager;
}
@GetMapping
public List<InterviewQuestion> getAllQuestions() {
return questionManager.getAllQuestions();
}
@GetMapping("/{id}")
public ResponseEntity<InterviewQuestion> getQuestion(@PathVariable String id) {
InterviewQuestion question = questionManager.getQuestionById(id);
return question != null
? ResponseEntity.ok(question)
: ResponseEntity.notFound().build();
}
@PostMapping
public ResponseEntity<InterviewQuestion> addQuestion(@RequestBody InterviewQuestion question) {
questionManager.addQuestion(question);
return ResponseEntity.created(URI.create("/api/questions/" + question.getId())).build();
}
}
- 前端组件封装
// Vue.js组件示例
<template>
<div class="question-card">
<h3>{
{
question.title }}</h3>
<div v-if="showAnswer" class="answer" v-html="question.answer"></div>
<button @click="toggleAnswer" class="toggle-btn">
{
{
showAnswer ? '隐藏答案' : '显示答案' }}
</button>
<div class="progress-indicator">
<span :class="{ completed: isCompleted }">掌握程度</span>
<div class="progress-bar">
<div class="progress" :style="{ width: progress + '%' }"></div>
</div>
</div>
</div>
</template>
<script>
export default {
props: ['question'],
data() {
return {
showAnswer: false,
progress: this.question.progress || 0,
isCompleted: this.question.progress === 100
};
},
methods: {
toggleAnswer() {
this.showAnswer = !this.showAnswer;
},
updateProgress(value) {
this.progress = value;
this.isCompleted = value === 100;
// 调用API更新进度
this.$axios.post(`/api/progress/${
this.question.id}`, {
progress: value });
}
}
};
</script>
通过以上封装，你可以轻松扩展系统功能，例如添加用户认证、社交分享、AI推荐等模块。同时，这些组件可以在不同项目中复用，提高开发效率。
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资源地址：
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